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Title: Method for preparing 6-.beta.-halopenicillanic acids

Abstract

The present invention relates to a new and improved method for the preparation of a compound of the formula I ##STR1## in which R stands for halogen, giving rise to high yields of substantially pure 6.beta.-halopenicillanic acids, obtained in one step.

Inventors:
 [1];  [2];  [3]
  1. Fredensborg, DK
  2. Skovlunde, DK
  3. Rungsted Kyst, DK
Issue Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
OSTI Identifier:
867034
Patent Number(s):
4847266
Assignee:
Leo Pharmaceutical Products Ltd. (Ballerup, DK)
Patent Classifications (CPCs):
A - HUMAN NECESSITIES A61 - MEDICAL OR VETERINARY SCIENCE A61P - SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
C - CHEMISTRY C07 - ORGANIC CHEMISTRY C07D - HETEROCYCLIC COMPOUNDS
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
method; preparing; 6-; beta; -halopenicillanic; acids; relates; improved; preparation; compound; formula; str1; stands; halogen; giving; rise; yields; substantially; pure; obtained; step; substantially pure; improved method; /514/

Citation Formats

Hansen, Erik I, Kran-Nielsen, Mogens P, and Von Daehne, Welf. Method for preparing 6-.beta.-halopenicillanic acids. United States: N. p., 1989. Web.
Hansen, Erik I, Kran-Nielsen, Mogens P, & Von Daehne, Welf. Method for preparing 6-.beta.-halopenicillanic acids. United States.
Hansen, Erik I, Kran-Nielsen, Mogens P, and Von Daehne, Welf. Sun . "Method for preparing 6-.beta.-halopenicillanic acids". United States. https://www.osti.gov/servlets/purl/867034.
@article{osti_867034,
title = {Method for preparing 6-.beta.-halopenicillanic acids},
author = {Hansen, Erik I and Kran-Nielsen, Mogens P and Von Daehne, Welf},
abstractNote = {The present invention relates to a new and improved method for the preparation of a compound of the formula I ##STR1## in which R stands for halogen, giving rise to high yields of substantially pure 6.beta.-halopenicillanic acids, obtained in one step.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1989},
month = {1}
}